/**
 * @author ChaP
 * @date 2019/04/12
 * @describe:
 */
package CodingTest.AC20190410;

import java.util.*;

public class permuteUnique {
    public List<List<Integer>> permuteUnique(int[] nums){
        List<List<Integer>> list = new ArrayList<>();
        Arrays.sort(nums);
        helper(list,new ArrayList<>(),nums,new boolean[nums.length]);
        return list;
    }
    public void helper(List<List<Integer>> list,List<Integer> tempList,int[] nums,boolean[] used){


    }

}

